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-rw-r--r--kernel/signal.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index 53cd5c4d1172..6e97aa6fa32c 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -680,23 +680,17 @@ int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info)
680 * No need to set need_resched since signal event passing 680 * No need to set need_resched since signal event passing
681 * goes through ->blocked 681 * goes through ->blocked
682 */ 682 */
683void signal_wake_up(struct task_struct *t, int resume) 683void signal_wake_up_state(struct task_struct *t, unsigned int state)
684{ 684{
685 unsigned int mask;
686
687 set_tsk_thread_flag(t, TIF_SIGPENDING); 685 set_tsk_thread_flag(t, TIF_SIGPENDING);
688
689 /* 686 /*
690 * For SIGKILL, we want to wake it up in the stopped/traced/killable 687 * TASK_WAKEKILL also means wake it up in the stopped/traced/killable
691 * case. We don't check t->state here because there is a race with it 688 * case. We don't check t->state here because there is a race with it
692 * executing another processor and just now entering stopped state. 689 * executing another processor and just now entering stopped state.
693 * By using wake_up_state, we ensure the process will wake up and 690 * By using wake_up_state, we ensure the process will wake up and
694 * handle its death signal. 691 * handle its death signal.
695 */ 692 */
696 mask = TASK_INTERRUPTIBLE; 693 if (!wake_up_state(t, state | TASK_INTERRUPTIBLE))
697 if (resume)
698 mask |= TASK_WAKEKILL;
699 if (!wake_up_state(t, mask))
700 kick_process(t); 694 kick_process(t);
701} 695}
702 696
@@ -844,7 +838,7 @@ static void ptrace_trap_notify(struct task_struct *t)
844 assert_spin_locked(&t->sighand->siglock); 838 assert_spin_locked(&t->sighand->siglock);
845 839
846 task_set_jobctl_pending(t, JOBCTL_TRAP_NOTIFY); 840 task_set_jobctl_pending(t, JOBCTL_TRAP_NOTIFY);
847 signal_wake_up(t, t->jobctl & JOBCTL_LISTENING); 841 ptrace_signal_wake_up(t, t->jobctl & JOBCTL_LISTENING);
848} 842}
849 843
850/* 844/*